<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport"
        content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no,viewport-fit=cover">
    <title>MVC demo</title>
</head>

<body>
    <div class="page">
        <section id="app1">
            <div class='output'>
                <span id="number">100</span>
            </div>
            <div class='actions'>
                <button id='add1'>+1</button>
                <button id='minus1'>-1</button>
                <button id='mul2'>*2</button>
                <button id='divide2'>÷2</button>
            </div>
        </section>
        <section id="app2">
            <ol class='tab-bar'>
                <li>我喜欢的小动物</li>
                <li>你喜欢的小动物？</li>
            </ol>
            <ol class="tab-content">
                <li>Cat !</li>
                <li>Dog ?</li>
            </ol>
        </section>
        <section id="app3">
            <div class="square">点我试试</div>
        </section>
        <section id="app4">
            <div class="circle"></div>
        </section>
    </div>

    <script src='main.js'></script>
</body>

</html>